package com.example.file;

import java.util.ArrayList;

/**
 * @author: dangwen
 * @createDate: 2021/7/7
 */
public class Test2 {
    public static void main(String[] args) {
        Integer a = 100;
        Integer b = 100;
        Integer c = new Integer(100);
        System.out.println(a == b);
        System.out.println(c == b);
        ArrayList as = new ArrayList<String>(0);
    }
}
